WO1995025488A1 - Prothese de la jambe et adaptateur d'alignement - Google Patents

Prothese de la jambe et adaptateur d'alignement Download PDF

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Publication number
WO1995025488A1
WO1995025488A1 PCT/US1995/003821 US9503821W WO9525488A1 WO 1995025488 A1 WO1995025488 A1 WO 1995025488A1 US 9503821 W US9503821 W US 9503821W WO 9525488 A1 WO9525488 A1 WO 9525488A1
Authority
WO
WIPO (PCT)
Prior art keywords
prosthetic
bar
socket
link
flat
Prior art date
Application number
PCT/US1995/003821
Other languages
English (en)
Inventor
Judd E. Lundt
David H. Littig
Original Assignee
United States Manufacturing Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22809473&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1995025488(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by United States Manufacturing Company filed Critical United States Manufacturing Company
Priority to DE19581589T priority Critical patent/DE19581589T1/de
Publication of WO1995025488A1 publication Critical patent/WO1995025488A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/76—Means for assembling, fitting or testing prostheses, e.g. for measuring or balancing, e.g. alignment means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/605—Hip joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/64—Knee joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/64—Knee joints
    • A61F2/642—Polycentric joints, without longitudinal rotation
    • A61F2/644—Polycentric joints, without longitudinal rotation of the single-bar or multi-bar linkage type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/66—Feet; Ankle joints
    • A61F2/6607—Ankle joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/80—Sockets, e.g. of suction type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30273—Three-dimensional shapes pyramidal
    • A61F2002/30276—Three-dimensional shapes pyramidal frustopyramidal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30359—Pyramidally- or frustopyramidally-shaped protrusion and recess
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2002/5016—Prostheses not implantable in the body adjustable
    • A61F2002/5018—Prostheses not implantable in the body adjustable for adjusting angular orientation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/5044—Designing or manufacturing processes
    • A61F2002/5055—Reinforcing prostheses by embedding particles or fibres during moulding or dipping, e.g. carbon fibre composites
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/66—Feet; Ankle joints
    • A61F2002/6614—Feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0086—Pyramidal, tetrahedral, or wedge-shaped

Definitions

  • This invention relates to prosthetic devices, and more particularly, to a prosthetic leg comprising a combination of prosthetic components that provides a useful combination of flexibility and adjustability for a leg prosthesis.
  • leg and foot prosthetic devices are known in the art. These devices include various forms of a rigid tubular lower leg pylon attached to an energy absorbing prosthetic foot. An adjustable angular connection can be made between the bottom of the pylon and the energy absorbing foot as disclosed in U.S. Patent No. 4,969,911 to Greene, assigned to United State Manufacturing Company, the assignee of this application.
  • An alternative more flexible prosthetic leg and foot comprises a long, flat bar that forms a shin portion of the lower leg prosthesis. The lower portion of the bar is curved forward to form a foot section and a separate adjustable heel section in the form of a curved bar attaches to a lower rear portion of the shin forming bar.
  • the foot and heel portions of the prosthesis provide spring-like members that flex when pressure is applied in order to simulate a somewhat natural walking gait.
  • Various configurations of heel sections can be added to adjust energy absorbing characteristics.
  • the flexible bar is made from a carbon filament and an epoxy resin composite material that provides the flexibility.
  • This prosthetic foot and leg combination is sold under the trademark Flex Foot and is disclosed in U.S. Patent Nos. 4,547,913 and 4,822,363 to Phillips, assigned to Flex Foot, Inc.
  • a principal use of the Flex Foot device is for a lower leg prosthesis for below-knee amputations. Although its flexibility may be desirable, the Flex Foot device lacks sufficient adjustability for making alignment changes that can be critical in certain functioning of a prosthesis. It can also be desirable to provide certain critical angular adjustments for alignment of a lower leg prosthesis for an above-knee amputation. For instance, it may be desirable to provide a flexible lower leg prosthesis for an above-knee amputation when the lower leg prosthesis is used with a prosthetic knee joint. Further, certain prosthetic devices are used with a hip disarticulation joint. In these instances, alignment with the hip disarticulation joint and sufficient flexibility of the overall prosthesis to assist in knee flexion are desirable.
  • the present invention provides a prosthetic limb and alignment adapter having controlled flexibility and means for adjusting the alignment of the flexible component in various selected orientations depending upon the end use of the prosthetic device.
  • One embodiment provides a flexible lower leg prosthesis with improved adjustability for alignment purposes.
  • Another embodiment is adaptable to above-knee amputations, and more particularly, to hip disarticulation patients by providing improved flexibility for the knee joint function, together with an adjustable means of alignment that enables the flexibility of the overall prosthetic device to be properly controlled during use.
  • one embodiment of the invention comprises a prosthetic limb and alignment adapter including an elongated straight, flat bar that elastically flexes in fore and aft directions while being resistant to flexion in the lateral directions.
  • a separate adjustable prosthetic link is fastened to each end of the straight, flat flexible bar.
  • Each prosthetic link includes a two-component, male/female adapter in which a socket having an integral bracket is affixed to opposite end portions of the flat bar so the axis of the socket is aligned generally with the axis of the long, flat flexible bar.
  • a cooperating angular adjustment component of the prosthetic link comprises a frustopyramidal, four-sided boss divergingly projecting from a spherically convex base which slidably engages a correspondingly concave surface of the annular socket surrounding the boss.
  • Two pairs of set screws set 90° apart in the angular socket are tightened against the sides of the frustopyramidal boss to enable its adjustment within separate swing angles in two mutually orthogonal planes defining fore and aft positioning and lateral-medial positioning of the component parts at opposite ends of the long, flat flexible bar.
  • the long, flat flexible bar comprises a shin member in a lower leg prosthesis in which the prosthetic links at opposite ends of the bar attach to a prosthetic foot at one end and to a prosthetic socket at the other end.
  • the resulting combination provides good flexibility for the lower leg prosthesis, while providing angular means of adjustment at opposite ends of the shin member for proper alignment of the lower leg prosthetic device.
  • the long, flat flexible bar provides a thigh member for an upper leg prosthesis in which the prosthetic links at opposite ends of the thigh member attach to prosthetic components such as a socket at the upper end and a knee joint at the lower end.
  • the lower leg portion of the prosthetic device comprises a more rigid pylon for the shin member of the resulting prosthesis.
  • This prosthetic device is particularly useful for hip disarticulation patients in which the upper end of the long, flat flexible bar that forms the thigh member of the prosthesis attaches to a hip disarticulation joint.
  • the adjustability of the upper and lower prosthetic links provides for proper alignment of the prosthesis relative to the hip disarticulation joint, along with improved flexibility that assists in flexion of the prosthetic knee joint. The result is an improved leg prosthesis for hip disarticulation patients with improved alignment and flexibility when compared with prior leg prostheses adapted for hip disarticulation patients.
  • FIG. 1 is an exploded side elevational view illustrating components of a prosthetic limb and alignment adapter according to principles of this invention.
  • FIG. 2 is a front elevational view taken on line 2-2 of FIG. 1.
  • FIG. 3 is an exploded side elevational view showing the prosthetic limb and alignment adapter used in a lower leg prosthesis.
  • FIG. 4 is an exploded side elevational view illustrating the prosthetic limb and alignment adapter used as an upper leg component of a leg prosthesis which includes a knee joint and a hip disarticulation joint at opposite ends of the adapter.
  • an elongated straight, flat, generally rigid bar 10 of long, narrow, generally rectangular cross section comprises the main prosthetic member of a prosthetic limb and alignment adapter 12.
  • the bar is made from a high strength epoxy resin- impregnated carbon filament structure that is capable of elastically flexing in fore and aft directions perpendicular to the long cross sectional dimension of the bar, while the rigidity of the bar prevents flexing of the bar in lateral directions generally parallel to the long cross sectional dimension of the bar.
  • a preferred structure of the bar 10 is similar to the long, straight leg portion of the prosthetic device sold under the trademark Flex Foot and described in U.S. Patent Nos. 4,547,913 and 4,822,363 to Phillips which are incorporated herein by this reference.
  • a separate two-part, male/female adjustable prosthetic link 14 is affixed to each end of the long, straight flat bar 10.
  • Each prosthetic link 14 includes male and female parts similar to the prosthetic link shown in U.S. Patent No. 4,969,911 to Greene, which is incorporated herein by this reference.
  • Each adjustable prosthetic link 14 is similar to the male/female prosthetic link disclosed in the '911 patent and generally includes a socket 16 having an integrally formed, vertically extending, long flat bracket 18 that overlies a face of the bar 10.
  • the bracket includes an elongated upright generally triangularly shaped central web 20 providing a reinforcing structure for the sockets affixed to the opposite ends of the bar 10.
  • Each socket is secured to a corresponding end of the bar by fasteners 22 extending through a flat plate 24 overlying a face of the bar opposite from the bracket 18.
  • Each prosthetic link further includes a male connector 26 having a spherically convex base 28 rigid with a generally flat plate 30 that provides a connector portion for the male part for connecting it to a corresponding prosthetic component.
  • a central boss 32 of frustopyramidal configuration projects away from the spherically convex base.
  • the frustopyramid formed by the main portion of the boss is of square cross section and has four uniform sides facing angularly upwardly and outwardly in four directions spaced apart by 90°. The four angular sides of the boss are contacted by separate set screws 34 which are carried at 90° intervals spaced apart around the bottom portion of the female socket 16.
  • the annular socket has a spherically curved concave upper ring surface having the same radius of curvature as the spherically curved base 28 of the male connector.
  • the spherical surface of the female member can slide back and forth and can rotate on the spherical surface of the male connector.
  • the four sides of the frustopyramidal boss extend at angles of about 14° with respect to the vertical axis through the joint, and the set screws 34 also extend along separate axes at about 14° with respect to a horizontal plane. Accordingly, each set screw can be rotated for tightening or loosening it along an axis approximately perpendicular to the confronting corresponding faces of the pyramidal boss.
  • each connector can be inserted into the socket formed by the female part of each connector, and the set screws can be loosened or tightened and the male connector moved into various angular configurations for providing angular adjustments in a manner described in more detail in the '911 patent referred to previously.
  • Such adjustments also are described in U.S. Patent No. 3,659,294 to Glabiszewski, assigned to Otto Bock, which is also incorporated herein by this reference.
  • the cooperating male and female connectors with their two pairs of set screws set 90° apart in the annular socket can be tightened against the sides of the frustopyramidal boss to enable its adjustment within a swing angle in two mutually orthogonal planes defining fore and aft positioning, lateral-medial positioning, and combinations thereof, for the component parts of the prosthetic joints at the opposite ends of the long flat, flexible bar 10.
  • FIG. 3 illustrates one use of the prosthetic limb and alignment adapter 12.
  • the adapter is used in a lower leg prosthesis.
  • the long, flat, flexible bar 10 forms a shin member of the lower leg prosthesis. This provides enhanced flexibility for a lower leg prosthesis when compared with the rigid tubular pylons of the prior art.
  • the long bar is of a length similar to the normal length of a patient's shin bone, and the bar flexes about an axis parallel to the long cross sectional dimension of the bar to provide bending in this area of the lower leg prosthesis.
  • the bottom portion of the adapter is secured to an energy absorbing foot 36 of the type known in the art.
  • the prosthetic link 14 at the bottom of the long, flat bar provides an angularly adjustable connection between the bottom of the bar and the prosthetic foot.
  • the lower plate 30 of the male connector 26 connects to a metal plate 38 embedded in the foot.
  • a threaded fastener 40 extends through a passage 42 in the foot below the plate 38 and threads into an internally threaded bore inside the male connector which is located inside an ankle region of the prosthetic foot. The fastener tightens against the plate to rigidly secure the male fastener of the link to the female socket portion 16.
  • the set screws on the female connector then can be adjusted to rotate the bottom portion of the long, flat, flexible bar through swing angles in fore and aft directions and in lateral medial directions to set the position of the energy absorbing foot to a specific angular alignment with respect to the bottom of the flexible bar.
  • FIG. 3 The opposite end of the lower leg prosthesis shown in FIG. 3 connects to a prosthetic socket 44, and the two-part, male/female connector secured to the top of the bar provides an angularly adjustable connection to the bottom of the socket.
  • a prosthetic socket 44 and the two-part, male/female connector secured to the top of the bar provides an angularly adjustable connection to the bottom of the socket.
  • FIG. 3 includes a cup-shaped adapter 46 which is laminated into a lower portion of the socket 44 so the adapter is rigidly affixed to the socket.
  • a rigid plate 48 in the adapter faces downwardly toward the flanged plate 30 on the male connector. Fasteners are used to rigidly secure the flanged portion of the male connector to the flat bottom face of the plate in the socket.
  • FIG. 3 provides a lower leg prosthesis with a flexible shin bone component and adjustable prosthetic links at both ends secured to an energy absorbing prosthetic foot at one end and a prosthetic socket at the other end in which proper angular alignment made at both ends of the flexible bar provides an improved means of control over the enhanced flexibility provided by the flexible bar component of the lower leg prosthesis.
  • leg prosthesis in which the prosthetic limb and alignment adapter 12 forms a thigh portion of a prosthetic leg 50.
  • the leg prosthesis is a type which is used for hip disarticulations.
  • the upper leg portion or thigh portion of the prosthesis is formed by the long, flat flexible bar 10 which has a length similar to the normal length of the patient's thigh. This provides good flexibility in the thigh region of the prosthesis in fore and aft directions while resisting flexing in the sideways directions.
  • the lower end of the flexible bar 10 is secured to the top portion of a prosthetic knee joint 52 through the prosthetic link 14 carried at the end of the long flat flexible bar 10.
  • This knee joint can be various types of prosthetic knee joints such as the knee joint Product No.
  • knee joints that can be used with this prosthesis include the Kolman Safety Knee Module No. 128-005, U.S. Safety Knee Module No. 128-006, and U.S. Constant Friction Knee Module No. 128-008 of United States Manufacturing Company.
  • These knee joints generally include a flat plate 54 at the upper end that connects to the flat plate 30 of the male connector 26.
  • the socket portion of the female connector 16 engages the frustoconical pyramid 32 of the male connector, and the set screws
  • hip disarticulation joint 56 This hip joint can be in various forms such as the modular hip disarticulation joint No. P01-200 of United States Manufacturing Company.
  • the disarticulation joint 56 can be the modular hip joint No. 006 7E5 of Otto Bock.
  • the illustrated hip joint includes a socket attachment plate 58, a hip joint assembly 60 and a lower hip bracket 62 which includes a bottom plate 64 that overlies and fastens to the flat plate 30 on the male connector 26 which connects to the female socket member 16 affixed to the upper end of the long, flat, flexible bar 10.
  • the hip disarticulation joint 56 is secured to the lower portion of a prosthetic socket (not shown) and attached to the socket so as to prevent any relative rotation between the socket and the disarticulation joint.
  • the flat plate 30 of the male connector is affixed to the bottom of the hip disarticulation joint to prevent any relative rotation between the two.
  • connection between the hip disarticulation joint and the adjustable prosthetic link provides for a precise means of adjusting swing angles in both fore and aft directions and the sideways directions, as well as combinations thereof, to provide a critical means of control over the alignment between the hip joint and the knee joint.
  • the alignment at the pelvis is particularly critical, and the prosthetic leg of FIG. 4 provides a means for moving the knee joint forward while providing the necessary alignment.
  • the flexible bar aids in knee flexion not available with a standard fixed rigid pylon.
  • the rigid fixed tubular pylon 66 For the lower leg portion of the prosthesis it is desirable, however, to use the rigid fixed tubular pylon 66 because the use of a flexible bar similar to the bar 10 in this area would, under normal circumstances, produce too much flexibility for the overall prosthesis.
  • the opposite ends of the pylon 66 are secured to the bottom of the knee joint and the top of the prosthetic foot by prosthetic links similar to those described previously.
  • FIG. 4 provides a leg prosthesis for hip disarticulations that produces enhanced flexibility in the thigh region while aligning the knee joint forward at a desired location in alignment with the prosthesis and while enhancing flexibility of the knee joint.
  • a further application of the invention is for a lower leg prosthesis in which the flexible bar 10 is secured to a prosthetic knee joint at its top and a prosthetic foot at the bottom.
  • the angularly adjustable prosthetic links 14 are used for fastening the ends of the bar to the knee joint and the foot.

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  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Prostheses (AREA)

Abstract

Ensemble prothèse de la jambe et adaptateur d'alignement comportant une barre plate (10), allongée et droite flexible d'avant en arrière mais rigide latéralement, à chaque extrémité de laquelle est fixé un élément de liaison (14) séparé et réglable, comportant un adaptateur mâle femelle (26) en deux parties dans lequel une douille (44) munie d'une patte de fixation (18), ne formant qu'une seule pièce avec celle-ci, est fixée à une extrémité de la barre plate avec laquelle elle est pratiquement coaxiale. Un élément de réglage d'angle associé à l'élément de liaison et fixé à l'extrémité de la barre comporte une protubérance en tronc de pyramide (à quatre faces) (32), inversé, saillant d'une base sphérique convexe et glissant sur la surface concave correspondante de la douille annulaire entourant la protubérance. Deux paires d'écrous de fixation (34) disposés perpendiculairement sur la douille se bloquent sur les côtés de la protubérance en tronc de pyramide pour permettre de l'ajuster à l'intérieur de deux secteurs angulaires séparés de deux plans orthogonaux, et de bloquer en position, longitudinalement et latéralement, les composants des deux extrémités de la barre flexible.
PCT/US1995/003821 1994-03-23 1995-03-23 Prothese de la jambe et adaptateur d'alignement WO1995025488A1 (fr)

Priority Applications (1)

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DE19581589T DE19581589T1 (de) 1994-03-23 1995-03-23 Prothetisches Körperglied und Ausrichtungsadapter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/217,047 US5529576A (en) 1994-03-23 1994-03-23 Prosthetic limb and alignment adapter
US08/217,047 1994-03-23

Publications (1)

Publication Number Publication Date
WO1995025488A1 true WO1995025488A1 (fr) 1995-09-28

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DE (1) DE19581589T1 (fr)
WO (1) WO1995025488A1 (fr)

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GB2318516A (en) * 1996-10-10 1998-04-29 Blatchford & Sons Ltd Above-knee lower limb prosthesis
GB2318517A (en) * 1996-10-10 1998-04-29 Blatchford & Sons Ltd Shin component for a lower limb prosthesis
EP0976370A1 (fr) * 1998-07-27 2000-02-02 Medi Bayreuth Weihermüller & Voigtmann GmbH & Co. KG Prothèse de jambe
EP2866746A4 (fr) * 2012-06-27 2016-04-20 össur hf Adaptateur d'alignement pour prothèse de pieds de sportif
US9351853B2 (en) 2008-08-18 2016-05-31 The Ohio Willow Wood Company Prosthetic foot
US20210278866A1 (en) * 2020-03-03 2021-09-09 Piper LALLA Temperature regulation of prosthetic limbs

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DE9408556U1 (de) * 1994-05-25 1994-07-21 Biedermann Motech GmbH, 78054 Villingen-Schwenningen Testprothese
US5759206A (en) * 1995-09-18 1998-06-02 Bassett; David E. Apparatus for mounting a prosthesis or the like
SE509075C2 (sv) * 1996-04-26 1998-11-30 Centri Ab Inställbar benprotes
USD406344S (en) * 1996-11-05 1999-03-02 Chas. A. Blatchford & Sons Limited Shin component for a lower-limb prothesis
US6123732A (en) * 1997-03-04 2000-09-26 Gramtec Innovation Ab Adjustable adapter for lower leg prosthesis
AU6554998A (en) 1997-03-13 1998-09-29 Prosthetic Design, Inc. Adjustable pyramidal link plate assembly for a prosthetic limb
US6228124B1 (en) 1997-09-08 2001-05-08 Prosthetic Design, Inc. Prosthetic foot with lateral and angular adjustability
US6368357B1 (en) 1998-10-16 2002-04-09 Aircast, Inc. Therapeutic device for amputees
US6206932B1 (en) 1998-11-24 2001-03-27 Timothy Johnson Alignment device for a prosthetic limb
US6458163B1 (en) 2000-07-11 2002-10-01 Prosthetic Design, Inc. Coupling-socket adapter assembly for a prosthetic limb
US6905519B2 (en) * 2001-06-15 2005-06-14 Bionix Prosthetic Solutions, Inc. Method of forming transfemoral sockets and lock adapter therefor
JP4443896B2 (ja) * 2003-11-12 2010-03-31 功 池田 座骨支持式義足
US20090299491A1 (en) * 2004-03-01 2009-12-03 Slemker Tracy C Modular shock absorbers for prosthetic limbs
US20050203638A1 (en) * 2004-03-01 2005-09-15 Slemker Tracy C. Modular stance flexion component for a prosthetic limb
JP4512819B2 (ja) * 2004-06-11 2010-07-28 功 池田 座骨支持式義足
DE102006021064B4 (de) * 2006-05-03 2010-09-02 Otto Bock Healthcare Gmbh Verfahren zur Ermittlung der Einbauhöhe einer Prothese
US8192503B2 (en) * 2006-09-15 2012-06-05 össur hf Method and apparatus for decreasing build height of prosthetic products
US20090082869A1 (en) * 2007-09-14 2009-03-26 Slemker Tracy C Double ended pyramid adapter
US9615944B2 (en) 2007-10-23 2017-04-11 Rocky Mountain Manufacturing, Llc. Couplable prosthetic device
US8795385B2 (en) 2010-10-22 2014-08-05 Ossur Hf Adjustable socket system
US9186270B2 (en) 2011-04-20 2015-11-17 The United States Of America As Represented By The Secretary Of The Army Dynamic exoskeletal orthosis
US9956107B2 (en) 2011-04-20 2018-05-01 The United States Of America As Represented By The Secretary Of The Army Dynamic exoskeletal orthosis
EP2775967B1 (fr) 2011-11-12 2019-01-09 Lim Innovations Inc. Prises de prothèses modulaires et leur procédé de fabrication
EP2866747B1 (fr) 2012-06-28 2017-02-22 Össur HF Système ajustable pour prothèse d'un membre
CN102743243A (zh) * 2012-07-24 2012-10-24 黄金狮 一种小腿假肢
US9468542B2 (en) 2013-06-21 2016-10-18 Lim Innovations, Inc. Prosthetic socket and socket liner with moisture management capability
WO2015095232A1 (fr) 2013-12-16 2015-06-25 Lim Innovations, Inc. Méthode et système d'assemblage d'une prise de prothèse modulaire en fonction des mesures du membre résiduel
US9474633B2 (en) 2014-05-05 2016-10-25 Lim Innovations, Inc. Alignable coupling assembly for connecting two prosthetic limb components
US10245775B2 (en) 2014-06-04 2019-04-02 Lim Innovations, Inc. Method and apparatus for transferring a digital profile of a residual limb to a prosthetic socket strut
WO2016183065A1 (fr) 2015-05-13 2016-11-17 Ossur Iceland Ehf Système d'emboîture réglable
US10172728B2 (en) 2015-11-25 2019-01-08 Lim Innovations, Inc. Transtibial prosthetic socket with textile jacket
US10940028B2 (en) 2017-02-06 2021-03-09 Ossur Iceland Ehf Adjustable socket system
US10806607B2 (en) 2017-02-06 2020-10-20 Ossur Iceland Ehf Adjustable socket system
US11419740B2 (en) 2017-02-06 2022-08-23 Ossur Iceland Ehf Adjustable socket system
WO2022051251A1 (fr) 2020-09-04 2022-03-10 Ossur Iceland Ehf Extrémité distale interchangeable pour un système d'emboîture prothétique

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US4969911A (en) * 1989-02-17 1990-11-13 United States Manufacturing Company Adjustable prosthetic joint with alignment means
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Cited By (10)

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Publication number Priority date Publication date Assignee Title
GB2318516A (en) * 1996-10-10 1998-04-29 Blatchford & Sons Ltd Above-knee lower limb prosthesis
GB2318517A (en) * 1996-10-10 1998-04-29 Blatchford & Sons Ltd Shin component for a lower limb prosthesis
US5997583A (en) * 1996-10-10 1999-12-07 Chas. A. Blatchford & Sons Limited Lower limb prosthesis and a shin component for the prosthesis
GB2318516B (en) * 1996-10-10 2000-01-12 Blatchford & Sons Ltd An above-knee lower limb prosthesis and a shin component for the prosthesis
GB2318517B (en) * 1996-10-10 2000-03-22 Blatchford & Sons Ltd A lower limb prosthesis and a shin component for the prosthesis
EP0976370A1 (fr) * 1998-07-27 2000-02-02 Medi Bayreuth Weihermüller & Voigtmann GmbH & Co. KG Prothèse de jambe
US9351853B2 (en) 2008-08-18 2016-05-31 The Ohio Willow Wood Company Prosthetic foot
EP2866746A4 (fr) * 2012-06-27 2016-04-20 össur hf Adaptateur d'alignement pour prothèse de pieds de sportif
US9737420B2 (en) 2012-06-27 2017-08-22 Ossur Hf Alignment adapter for prosthetic sport feet
US20210278866A1 (en) * 2020-03-03 2021-09-09 Piper LALLA Temperature regulation of prosthetic limbs

Also Published As

Publication number Publication date
US5529576A (en) 1996-06-25
DE19581589T1 (de) 1997-02-27

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